PartsTable
Technical Data Sheet
PartsTable / COMPONENT / MS17811-30
MS17811-30 ✓ Verified by PartsTable
— · BALL BEARING
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

The BEARING,WASHER,THRUST is a the manufacturer industrial component. Key specifications include diameter: 1.7520 INCHES MINIMUM AND 1.7570 INCHES MAXIMUM IN, material: STEEL COMP 1020 OVERALL, corner_shape: SQUARE ALL CORNERS, surface_finish: 32.0 MICROINCHES RIGHT SIDE, hardness_rating: 58.0 ROCKWELL C MINIMUM OVERALL, outside_diameter: 3.0280 INCHES MINIMUM AND 3.0990 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-975-1796, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MS17811-30
NSN: 3120-00-975-1796
FSC: 3120
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
diameter1.7520 INCHES MINIMUM AND 1.7570 INCHES MAXIMUM IN
materialSTEEL COMP 1020 OVERALL
corner_shapeSQUARE ALL CORNERS
surface_finish32.0 MICROINCHES RIGHT SIDE
hardness_rating58.0 ROCKWELL C MINIMUM OVERALL
outside_diameter3.0280 INCHES MINIMUM AND 3.0990 INCHES MAXIMUM IN
style_designatorROUND
features_providedCASEHARDENED
overall_thickness0.2480 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM IN
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
NSN3120-00-975-1796
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: MS17811-30 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SURFACE FINISH: 32.0 MICROINCHES LEFT SIDE
•
MATERIAL: STEEL COMP 1020 OVERALL
•
FEATURES PROVIDED: CASEHARDENED
•
HARDNESS RATING: 58.0 ROCKWELL C MINIMUM OVERALL
•
OVERALL THICKNESS: 0.2480 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
STYLE DESIGNATOR: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE FINISH32.0 MICROINCHES LEFT SIDE
MATERIALSTEEL COMP 1020 OVERALL
FEATURES PROVIDEDCASEHARDENED
HARDNESS RATING58.0 ROCKWELL C MINIMUM OVERALL
OVERALL THICKNESS0.2480 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE FINISH32.0 MICROINCHES RIGHT SIDE
STYLE DESIGNATORROUND
CORNER SHAPESQUARE ALL CORNERS
DIAMETER1.7520 INCHES MINIMUM AND 1.7570 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
14551102 PIECEInterchangeable
interchangeable cross-reference
interchangeable
MS17811Interchangeable
interchangeable cross-reference
interchangeable
MS17811-11Interchangeable
interchangeable cross-reference
interchangeable
MS17811-17Interchangeable
interchangeable cross-reference
interchangeable
MS17811-8Interchangeable
interchangeable cross-reference
interchangeable
MS17811-18Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS17811-30?
MS17811-30 is a BEARING,WASHER,THRUST.
What parts can replace MS17811-30?
There are 14 known substitutes for MS17811-30: 14551102 PIECE, MS17811, MS17811-11 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS17811-30?
MS17811-30 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-975-1796. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026